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Authors: Santini, Stefano* 
Basilici, Matteo* 
Invernizzi, Chiara* 
Mazzoli, Stefano* 
Megna, Antonella* 
Pierantoni, Pietro Paolo* 
Spina, Vincenzo* 
Teloni, Simone* 
Title: Thermal Structure of the Northern Outer Albanides and Adjacent Adriatic Crustal Sector, and Implications for Geothermal Energy Systems
Journal: Energies 
Series/Report no.: /13 (2020)
Publisher: MDPI
Issue Date: Nov-2020
DOI: 10.3390/en13226028
Keywords: balanced cross-sections
thermal modeling
fold and thrust belts
frictional heating
Subject Classification04.07. Tectonophysics 
Abstract: Using an analyticalmethodology taking into account heat flowdensity data, frictional heating, temperature variations due to the re-equilibrated conductive state after thrusting and geological constrains, we calculated surface heat flow, geotherms and isotherms along a balanced and restored regional geological cross-section. Our results highlight the impact of frictional heating produced by thrusts on the thermal structure of the study area, leading to a raising of the isotherms both in the inner Albanides to the E and in the Adriatic sector offshore. Minimum values of Qs in the surroundings of Tirana and the reconstructed 2D thermal structure suggest less favorable conditions for exploitation of geothermal energy, besides the direct use (Borehole Heat Exchanger-Geothermal Heat Pump systems). Nevertheless, the occurrence of the “Kruja geothermal zone”, partially overlapping this area and including hot springmanifestations, emphasize the structural control in driving hot fluids to the surface with respect to the regional thermal structure.
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